The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking proposals for the procurement of 30 units of a Valve Assembly (NSN 7R-1660-015854984-P8, REF NR 396608-1). This contract requires that the items be commercial/nondevelopmental/off-the-shelf products, necessitating Government source approval or the ability to provide FAA-Certified parts with an FAA Form 8130-3 Airworthiness Approval Tag prior to contract award. The items are critical for aircraft air conditioning, heating, and pressurizing systems, and only sources previously approved or compliant with FAA requirements will be solicited. Interested parties must submit their proposals, including necessary documentation, by the specified deadline, and can contact Christian M. Markle at (215) 697-6679 or via email at CHRISTIAN.M.MARKLE.CIV@US.NAVY.MIL for further information.